Exposure
ID
GRAVI.2025-05-22T05:14:40.397_1
Header ID
GRAVI.2025-05-22T05:14:40.397
Date updated
2025-05-22 05:26:12 UTC+0000
Release date
2026-05-22 05:26:11 UTC+0000
UTC Start
2025-05-22 05:14:40.397
UTC End
2025-05-22 05:17:20.397
MJD Start
60817.21852311
MJD End
60817.22037496186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.008616500000000001
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.4
Observation
ID
67517
Category
science
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50216
Name
CD-3411794
RA
263.710219
DEC
-34.27683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.5220 66.6850 262.5000 263.0000
K0-D0 94.8380 94.9740 242.1000 242.5000
K0-J3 54.5660 54.6540 326.0230 326.3040
G2-D0 39.9760 39.9710 206.5000 206.9000
G2-J3 64.5020 64.5060 33.3530 33.7770
D0-J3 104.3020 104.3000 30.7340 31.1510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60817.21852311
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME CD-34 11794
HIERARCH ESO INS SOBJ NAME CD-3411794
RA 263.710219
DEC -34.27683
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.522
HIERARCH ESO ISS PBL12 END 66.685
HIERARCH ESO ISS PBLA12 START 262.5
HIERARCH ESO ISS PBLA12 END 263.0
HIERARCH ESO ISS PBL13 START 94.838
HIERARCH ESO ISS PBL13 END 94.974
HIERARCH ESO ISS PBLA13 START 242.1
HIERARCH ESO ISS PBLA13 END 242.5
HIERARCH ESO ISS PBL14 START 54.566
HIERARCH ESO ISS PBL14 END 54.654
HIERARCH ESO ISS PBLA14 START 326.023
HIERARCH ESO ISS PBLA14 END 326.304
HIERARCH ESO ISS PBL23 START 39.976
HIERARCH ESO ISS PBL23 END 39.971
HIERARCH ESO ISS PBLA23 START 206.5
HIERARCH ESO ISS PBLA23 END 206.9
HIERARCH ESO ISS PBL24 START 64.502
HIERARCH ESO ISS PBL24 END 64.506
HIERARCH ESO ISS PBLA24 START 33.353
HIERARCH ESO ISS PBLA24 END 33.777
HIERARCH ESO ISS PBL34 START 104.302
HIERARCH ESO ISS PBL34 END 104.3
HIERARCH ESO ISS PBLA34 START 30.734
HIERARCH ESO ISS PBLA34 END 31.151
HIERARCH ESO ISS AMBI TAU0 START 0.007538
HIERARCH ESO ISS AMBI TAU0 END 0.009695
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.35